This Part Fits the following kits / parts:

#66492 - センタープーリ 18T

Use this large 18-tooth solid pulley as an extra tuning aid for
your Cyclone touring car! The extra cornering traction will help
you drop lap times and give you an advantage over other racers!

The 18T pulleys give Cyclone racers an extra tuning option over the
standard 16T pulleys, and allow the transmission to roll with less
resistance. Adjust each end independently, or add 18T pulleys for
both front and rear drive belts. Be sure to use the appropriate
drive belt (see below). Fits all Cyclone touring cars. You also
have the option of a solid middle pulley to allow front wheel
braking #66491 Centre One-Way Pulley
18T Use with these longer drive belts: #66493 Front Belt 510 (170T) #66494 Rear Belt 189 (63T)